accesschk64[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

accesschk64.exe
Size

400KB
MD5

dbdce12349b96f4c9747a4cd23312205
SHA1

166bf5eb67ef473f8b90a5785f159babed6cbfd1
SHA256

938273bc3b905c1385ce5a16ae1a7ae148b0ee10d115735d261078e4bceb69d4
SHA512

e448fce4b6521d04f9bd5e5954adc67655f600b81274fd1e2b22ca6d703136c4b760bda14c72b5987796e3d2b34c902df8da6a0ba1ae4320f16aa32cf33dcfa7
SSDEEP

6144:73rvjs23EYkHB9+2in1TnwFJe0I05w3iz:73rvjs2PmYnr25bz

Score

1^/10

Malware Config

Signatures

Files

accesschk64.exe
.exe windows:5 windows x64 arch:x64

e80bc24c900fa3657ff0990b5dc84b06

Code Sign

33:00:00:00:ba:6a:36:de:1a:ad:bd:3c:1f:00:00:00:00:00:ba
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

07/09/2016, 17:58

Not After

07/09/2018, 17:58

Subject

CN=Microsoft Time-Stamp Service,OU=AOC+OU=nCipher DSE ESN:F6FF-2DA7-BB75,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:79:7c:2e:57:4e:52:e1:ca:d6:00:01:00:00:01:79
Certificate

Issuer

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

11/08/2017, 20:11

Not After

11/08/2018, 20:11

Subject

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31/08/2010, 22:19

Not After

31/08/2020, 22:29

Subject

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:c4:e9:89:f8:7a:81:50:e9:ff:00:00:00:00:00:c4
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

11/08/2017, 20:20

Not After

11/08/2018, 20:20

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

f2:46:18:29:00:ed:53:a1:b3:10:3a:3f:ff:bc:bb:7c:7f:83:ea:12:ba:be:63:fe:b7:4d:13:f4:c4:a3:87:78
Signer

Actual PE Digest

f2:46:18:29:00:ed:53:a1:b3:10:3a:3f:ff:bc:bb:7c:7f:83:ea:12:ba:be:63:fe:b7:4d:13:f4:c4:a3:87:78

Digest Algorithm

sha256

PE Digest Matches

true

f2:d9:2b:60:3b:99:75:0f:b2:96:22:e4:cd:68:57:92:44:79:34:2f
Signer

Actual PE Digest

f2:d9:2b:60:3b:99:75:0f:b2:96:22:e4:cd:68:57:92:44:79:34:2f

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

netapi32

NetApiBufferFree
NetShareEnum
NetShareGetInfo
NetUserGetLocalGroups

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

kernel32

QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
Thread32Next
Thread32First
OpenThread
FindNextFileW
FindFirstFileW
GetFileAttributesW
FindClose
GetProcessHeap
HeapAlloc
CreateFileW
GetStringTypeW
Process32FirstW
CreateToolhelp32Snapshot
GetFullPathNameW
GetCurrentDirectoryW
ExpandEnvironmentStringsW
FormatMessageW
CloseHandle
SetLastError
GetLastError
GetCurrentThread
GetCurrentProcess
OpenProcess
GetVersion
GetModuleFileNameW
GetCommandLineW
GetModuleHandleW
LoadLibraryW
GetStdHandle
GetFileType
LocalFree
LocalAlloc
GetProcAddress
LCMapStringW
OutputDebugStringW
SetFilePointerEx
WriteConsoleW
ReadConsoleW
Process32NextW
HeapSize
ReadFile
GetConsoleCP
FlushFileBuffers
LoadLibraryExW
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
MultiByteToWideChar
WideCharToMultiByte
HeapFree
GetConsoleMode
ReadConsoleInputA
SetConsoleMode
EnterCriticalSection
LeaveCriticalSection
SetStdHandle
IsDebuggerPresent
IsProcessorFeaturePresent
RtlPcToFileHeader
RaiseException
RtlLookupFunctionEntry
RtlUnwindEx
HeapReAlloc
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCurrentThreadId
DeleteCriticalSection
RtlCaptureContext
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
Sleep
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetStartupInfoW
WriteFile

user32

SendMessageW
LoadCursorW
InflateRect
GetSysColorBrush
SetCursor
SetWindowTextW
GetDlgItem
EndDialog
DialogBoxIndirectParamW

gdi32

StartPage
GetDeviceCaps
EndDoc
StartDocW
SetMapMode
EndPage

comdlg32

PrintDlgW

advapi32

ConvertSecurityDescriptorToStringSecurityDescriptorW
QueryServiceObjectSecurity
OpenServiceW
OpenSCManagerW
EnumServicesStatusW
CloseServiceHandle
GetSecurityInfo
DeleteAce
RegGetKeySecurity
RegEnumKeyW
GetNamedSecurityInfoW
ConvertStringSecurityDescriptorToSecurityDescriptorW
GetKernelObjectSecurity
LsaNtStatusToWinError
LsaEnumerateAccountRights
LsaEnumerateAccountsWithUserRight
LsaOpenPolicy
LsaClose
LsaFreeMemory
LookupPrivilegeDisplayNameW
LookupPrivilegeNameW
GetEffectiveRightsFromAclW
SetEntriesInAclW
DuplicateTokenEx
ImpersonateLoggedOnUser
LookupPrivilegeValueW
LookupAccountNameW
LookupAccountSidW
GetSecurityDescriptorOwner
SetSecurityDescriptorOwner
GetSecurityDescriptorSacl
GetSecurityDescriptorDacl
SetSecurityDescriptorDacl
GetSecurityDescriptorControl
InitializeSecurityDescriptor
GetAce
CopySid
GetLengthSid
GetSidSubAuthorityCount
GetSidSubAuthority
GetSidIdentifierAuthority
AllocateAndInitializeSid
EqualSid
IsValidSid
IsWellKnownSid
AdjustTokenPrivileges
GetTokenInformation
OpenThreadToken
OpenProcessToken
RevertToSelf
RegSetValueExW
RegQueryValueExW
RegOpenKeyExW
RegOpenKeyW
RegCreateKeyW
RegCloseKey

wevtapi

EvtClose
EvtOpenChannelEnum
EvtNextChannelPath
EvtOpenChannelConfig
EvtGetChannelConfigProperty

Sections

.text
Size: 119KB - Virtual size: 119KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 87KB - Virtual size: 87KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 143KB - Virtual size: 152KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e80bc24c900fa3657ff0990b5dc84b06

Code Sign

33:00:00:00:ba:6a:36:de:1a:ad:bd:3c:1f:00:00:00:00:00:baCertificate

Extended Key Usages

33:00:00:01:79:7c:2e:57:4e:52:e1:ca:d6:00:01:00:00:01:79Certificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:00:c4:e9:89:f8:7a:81:50:e9:ff:00:00:00:00:00:c4Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

f2:46:18:29:00:ed:53:a1:b3:10:3a:3f:ff:bc:bb:7c:7f:83:ea:12:ba:be:63:fe:b7:4d:13:f4:c4:a3:87:78Signer

f2:d9:2b:60:3b:99:75:0f:b2:96:22:e4:cd:68:57:92:44:79:34:2fSigner

Headers

DLL Characteristics

File Characteristics

Imports

netapi32

version

kernel32

user32

gdi32

comdlg32

advapi32

wevtapi

Sections

.text Size: 119KB - Virtual size: 119KB

.rdata Size: 87KB - Virtual size: 87KB

.data Size: 143KB - Virtual size: 152KB

.pdata Size: 6KB - Virtual size: 6KB

.rsrc Size: 24KB - Virtual size: 24KB

.reloc Size: 2KB - Virtual size: 2KB

33:00:00:00:ba:6a:36:de:1a:ad:bd:3c:1f:00:00:00:00:00:ba
Certificate

33:00:00:01:79:7c:2e:57:4e:52:e1:ca:d6:00:01:00:00:01:79
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:00:c4:e9:89:f8:7a:81:50:e9:ff:00:00:00:00:00:c4
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

f2:46:18:29:00:ed:53:a1:b3:10:3a:3f:ff:bc:bb:7c:7f:83:ea:12:ba:be:63:fe:b7:4d:13:f4:c4:a3:87:78
Signer

f2:d9:2b:60:3b:99:75:0f:b2:96:22:e4:cd:68:57:92:44:79:34:2f
Signer

.text
Size: 119KB - Virtual size: 119KB

.rdata
Size: 87KB - Virtual size: 87KB

.data
Size: 143KB - Virtual size: 152KB

.pdata
Size: 6KB - Virtual size: 6KB

.rsrc
Size: 24KB - Virtual size: 24KB

.reloc
Size: 2KB - Virtual size: 2KB